100644 blob 00f4833f3ddcfc906c71e371bbad315bd067ce52	DirectCollectionWithGroupingElementIdentifiedByPositionEmptyTestCases.java
100644 blob 8cc4b9ae829063fadf662f7c2f81388f9ec06f79	DirectCollectionWithGroupingElementIdentifiedByPositionNullTestCases.java
100644 blob e5894e050b3c8829daf8e41100686b64fe7f0611	DirectCollectionWithGroupingElementIdentifiedByPositionProject.java
100644 blob 10984dc282806093ae2a52d5aa6b8b3331da5df6	DirectCollectionWithGroupingElementIdentifiedByPositionTestCases.java